under protest

adv. 持异议地, 抗议中

例句与用法：

If I have to do it, I shall do it under protest.

如果非要我做这件事不可，我是干得不心甘情愿的。

She paid the fine under protest.

她争执一番後，无可奈何地缴纳了罚金。

I went to the doctor under protest.

我勉强去看了医生。